殆上界 的英文怎麼說
中文拼音 [dàishàngjiè]
殆上界
英文
almost upper bound-
A number x is called an almost upper bound of a.
數X稱為A的殆上界。An almost lower bound is defined similarly as an almost upper bound.
殆下界的定義與殆上界是類似的。A number x is called an almost upper bound of a
數x稱為a的殆上界。
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